assigning to 'id<UIGestureRecognizerDelegate> _Nullable' from incompatible
我的问题的解决:UIGestureRecognizerDelegate忘记添加协议
@interface:XXXX()<UIGestureRecognizerDelegate>
我的问题的解决:UIGestureRecognizerDelegate忘记添加协议
@interface:XXXX()<UIGestureRecognizerDelegate>